Mail Ninja makes swiping through your email and cleaning your inbox a fun and easy thing to do. The app features Gmail, Yahoo! Mail, AOL, iCloud, and General IMAP support and takes multiple email accounts and unifies it into one inbox. Get ready to swipe on and swipe off with your email. Well, more like swipe left to delete and swipe right to archive. Check out the video below for a visual look at the app in action!